EP1055482B1 - Dispositif pour la fabrication de cadres rectangulaires - Google Patents

Dispositif pour la fabrication de cadres rectangulaires Download PDF

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Publication number
EP1055482B1
EP1055482B1 EP00107060A EP00107060A EP1055482B1 EP 1055482 B1 EP1055482 B1 EP 1055482B1 EP 00107060 A EP00107060 A EP 00107060A EP 00107060 A EP00107060 A EP 00107060A EP 1055482 B1 EP1055482 B1 EP 1055482B1
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EP
European Patent Office
Prior art keywords
strips
carriages
levers
pair
frame
Prior art date
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Expired - Lifetime
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EP00107060A
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German (de)
English (en)
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EP1055482A2 (fr
EP1055482A3 (fr
Inventor
Giuseppe Raffoni
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0073—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by nailing, stapling or screwing connections

Definitions

  • the present invention relates to an apparatus for manufacturing rectangular frames.
  • the strips that form frames are currently assembled by successive handling operations performed by operators, who place the strips in position and fix them one another by way of adapted stapling machines.
  • conventional assembly methods are slow, troublesome and expensive owing to the fact that they require considerable labor.
  • the aim of the present invention is to automate the manufacture of frames starting from pre-cut strips which are stacked in appropriately provided magazines.
  • an object of the present invention is to provide an apparatus which is versatile in use in relation to the possibility to provide frames in different sizes.
  • an apparatus for manufacturing rectangular frames composed of strips which are assembled by way of mutual joining elements which are driven into said strips by stapling machines so as to straddle joints formed by mating said strips at right angles characterized in that it comprises: a horizontal beam, which is supported so that it is rotatable centrally about a vertical axis so as to form two arms which lie diametrically with respect to said vertical axis, each arm of said two arms being provided with sliding guides for a respective carriage; two levers, which are articulated to each one of said carriages about axes which are parallel to said vertical axis; a grip element, mounted on each one of said levers, for a respective one of said strips that constitute said frame; means for actuating said grip elements, said levers, said carriages and said beam so that in a first position of said beam, said grip elements are located in a position for picking up the strips to be assembled; in a second position, said levers are rotated so that the strips
  • the apparatus comprises a base framework, generally designated by the reference numeral 1, which is composed of four uprights 2 arranged at the corners of an imaginary rectangle and mutually connected by lower longitudinal members 3 and upper longitudinal members 3 and by lower cross-members 5 and upper cross-members 6.
  • Two posts 7 rise centrally from the upper cross-members 6, and a beam 8 lies between them, forming a sort of portal with the posts.
  • a bracket 9 protrudes laterally from the beam 8, and a motor 10 with a vertical axis A is coupled thereon by means of a flange; a box-like prism-shaped body 11 for supporting a beam, generally designated by the reference numeral 12, is rigidly coupled to the output shaft of said motor.
  • the beam 12 is substantially constituted by two cylindrical bars 13 which are mutually parallel in the direction B (see Figure 7) at right angles to the axis A and form two arms 14 and 15 which protrude by the same extent from the prism-shaped body 11 diametrically with respect to the axis A.
  • the bars 13 are connected, at the opposite ends, by braces 16 ( Figures 5 and 6), from the upper and lower faces of which pairs of plates 17 protrude outwards and form, together with the braces, brackets 18 and 19 for rotatably supporting two pairs of pulleys 20 and 21 which have vertical rotation axes.
  • a reversible motor 22 is fitted below the box-like body 11, and its axis is parallel to the bars 13.
  • a toothed pulley 23 is keyed to the output shaft of the motor 22, and a toothed belt 24 is engaged thereon.
  • the belt 24 surrounds a second toothed pulley 25, which is keyed on a splined rod 26 which lies between the bar portions 13 of the arm 14, one end of said rod being rotatably supported in the box-like body 11, the opposite end extending to the vicinity of the brace 16 of the bracket 18.
  • a second splined rod 27 lies between the portions of the bars 13 of the arm 15: one end of said rod is supported in the box-like body 11 and the opposite end extends to the vicinity of the brace 16 of the bracket 19.
  • the splined rods 26 and 27 are axially offset with respect to each other, and respective mutually meshing gears are keyed on their ends that extend inside the box-like body 11.
  • the meshing gears (which are not shown in the drawing but are easily imaginable) allow to turn the rod 27 in the opposite direction with respect to the one imparted to the rod 26 by the motor 22.
  • the splined rods 26 and 27 pass through two respective carriages 28 and 29 which are slideable on the portions of the bars 13 of the arms 14 and 15.
  • the sliders 32 and 33 are constituted by plates 34 and 35 which protrude from the respective carriages 28 and 29 under the bars 13 toward the brackets 18 and 19 and support, as will become apparent hereinafter, the two assemblies designed to pick up and mutually arrange the four strips that must be assembled in order to form the frame.
  • the assembly related to the slider 32 comprises a rack 36 which is fixed to the plate 34 at right angles to the bars 13 and meshes with a gear 37 which is supported so that it is rotatable in the carriage 28.
  • the gear 37 cantilevers out from the side of the carriage 28 that is directed toward the bracket 18, and the splined rod 26 is guided through it so that it is rotationally coupled thereto but is slideable axially thereon.
  • the result of this coupling is that the actuation of the motor 22 produces a movement of the slider 32 in the direction C, i.e., at right angles to the bars 13.
  • two pivots 38 and 39 are rotatably supported in adapted blocks which are rigidly coupled to said plate, and two levers 40 and 41 are keyed on said pivots.
  • the levers 40 and 41 are mutually connected by toothed sectors 42 and 43 which are concentric to the pivots 38 and 39, so that the directions of rotation of the levers 40 and 41 are always mutually opposite.
  • a jack 44 for the rotation of the levers 40 and 41 in opposite directions there is a jack 44, in which the cylinder is articulated to the block that supports the pivot 38, while the stem is articulately connected to a radial arm 45 which is rigidly coupled to the lever 41.
  • the cylinders of two respective jacks 46 and 47 are fixed to the ends of the levers 40 and 41; the jacks have vertical axes, and their stems extend downwards through the levers 40 and 41.
  • the clamps 48 and 49 for gripping the strips that compose the frame are fixed to the lower ends of the stems.
  • the clamps 48 and 49 are identical, and only the clamp 48 is described hereinafter for the sake of brevity.
  • the clamp 48 comprises two jaws 50 and 51 which are rigidly coupled to the stems 50a, 51a of two respective pistons 50b, 51b having different diameters and arranged in coaxial seats 50c, 51c of a prism-shaped body 52.
  • the body 52 is rigidly coupled to the lower end of the stem of the jack 46, so that the stems 50a, 51a have a horizontal axis which is perpendicular to the axis of the jack 46.
  • the reference numeral 54 designates two rods which are parallel to the jack 46, are fixed to the body 52 and prevent the rotation of the body 52 by sliding in adapted seats of the lever 40.
  • Two rods 55a, 55b are likewise rigidly coupled to each jaw 50, are parallel to the stems 50a, 51a and are guided in the body 52, preventing the rotation of the jaws 50, 51.
  • the unit designed to pick up the strips which is fitted to the other carriage 29 is fully identical to the one fitted to the carriage 28 and described above in relation to said carriage.
  • the reference numeral 56 designates a rack which is fixed to the plate 35 at right angles to the bars 13 and with which a gear 57 meshes (see Figure 7), the gear being supported rotatably so that it cantilevers out toward the bracket 19 in the carriage 29.
  • the splined rod 27 is driven through the gear 57 so that it is slideable axially but is rotationally rigidly coupled thereto.
  • the two levers 58 and 59 are articulated below the plate 35 that constitutes the slider 33, are mutually connected by toothed sectors 60 and 61 and can be actuated in opposite directions by way of a jack 62.
  • Vertical jacks 63 and 64 are fixed to the ends of the levers 58 and 59, and their stems support jacks 65, 66 for actuating grip clamps 67, 68 in the same manner as described above with reference to the clamps 48 and 49.
  • the two units fitted on the sliders 32 and 33 in addition to picking up two strips 41, 42 and 43, 44 each from respective magazines, arrange them at 90° to each other, forming two L-shaped elements S1, S2 (see Figure 1) which in a subsequent step are arranged mutually adjacent so as to form the rectangular frame.
  • the mutually adjacent arrangement is achieved by moving the two carriages 28 and 29 along the bars 13.
  • the two parallel portions of a belt 71 ( Figure 7) which surrounds the pulleys 20 of the bracket 18 and the pulleys 21 of the bracket 19 are rigidly coupled to lateral faces 69 and 70 of the carriages 28 and 29.
  • the belt 71 is guided by a pair of idle pulleys 72 and 73 in a lateral expansion 74 of the box-like body 11 and around a driving pulley 75 which is keyed on the output shaft of a reversible motor 76 which is mounted on an expansion 74 to the side of the motor 10 that motorizes the beam 12.
  • the strips L1-L4 have been arranged so as to form a frame, the strips are mutually joined at the corners by joining elements which are driven into them so as to straddle the joints formed by the strips in four stapling machines 77, 78, 79 and 80 (see Figures 1 and 4).
  • the stapling machines 77-80 are all mutually identical and are fitted on four respective angular plates 81, 82, 83 and 84.
  • the plates 81, 84 and 82, 83 are slideable on two rails 85, 86 which are mutually parallel and are fixed on flat strips 87, 88 which are rigidly coupled to the upper longitudinal members 4 of the framework.
  • the plates 81, 82 and, respectively, 83, 84 are furthermore rigidly connected to each other by cross-members 89 and 90.
  • Each stapling machine 77-80 (see Figures 8-11) comprises a support 91 which is composed of a base 92 which is fixed diagonally on the plate 81-84 and from the sides whereof two shoulders 93 rise; such shoulders are connected, at the top, by a plate 94, so that a passage is formed through which two parallel rails 95 are made to pass. As shown in Figure 11, the rails 95 are guided so that they are slideable in U-shaped supports 96 which are fixed below the upper plate 94 and are fixed on a triangular bracket 97.
  • a pneumatic cylinder 98 is coupled below the triangular bracket 97 by means of a flange and is adapted to fire the elements for joining the strips that compose the frame by means of a firing pin 99 which is propelled upwards by the cylinder 98 through a slot 100 of the corner region of the bracket 97.
  • the joining elements are conveyed, in the form of staples, shaped plates or the like, from a magazine 101 which is arranged between the rails 95 above the firing pin 99, which inserts them transversely, i.e., in a straddling configuration, in the joint of two strips L1, L2 and L3, L4 arranged at 90°.
  • the rails 95 extend onto the bracket 97 and a table 102 is guided thereon above the bracket and is fixed on two carriages 103 which slide on the rails 95.
  • a slot 104 which is parallel to the rails 95 and is aligned with the firing pin 99 is formed in the table 102.
  • the bracket 97 forms, to the sides of the table 102, two regions in which two vertical stems 105 are guided; said stems are connected, at the top, by a cross-member 106.
  • the stems 105 belong to respective jacks, cylinders 107 whereof are fixed under the bracket 97.
  • the cross-member 106 has, in a median region, a beak 108 in which a slot 109 is formed.
  • An L-shaped presser 110 can be arranged along the slot 109, lies below the beak 108 and the angle designed by its wings is aligned above the firing pin 99.
  • the presser 110 is meant to lock on the table 102 the two strips L1, L2 and L3, L4 that form each L-shaped element S1, S2 of the frame.
  • each pair of strips at right angles is ensured by a pair of locators 111 which are constituted by bars which are fixed on the table 102 so as to form a 90° angle of which the slot 104 constitutes the bisecting line.
  • an elastic tab 112 which lies transversely on the slot 104 and is rigidly coupled to a block 113 which is fixed on the table 102.
  • the table 102 by sliding on the rails 95, is movable with respect to the bracket between a forward position and a retracted position. In the forward position, the firing pin 99 lies outside the right angle formed by the locators 111, while in the retracted position it lies inside said angle.
  • Each stapling machine 77-80 is station move towards or away from the diagonally opposite stapling machine in order to allow to arrange the strips of the frame in the shape of a rectangle.
  • the release of said frame occurs by moving the pair of stapling machines 77, 78 and the pair of stapling machines 79, 80 mutually apart.
  • the approach and spacing of the diagonally opposite stapling machines is achieved by means of a reversible motor 118, which is coupled by means of a flange under the base 92 and has a vertical shaft which protrudes upwards between the rails 95.
  • a pinion 119 is keyed on the shaft and meshes with a rack 120 which is fixed under a rail 95.
  • the rotation of the motor 118 in one direction or the other causes the movement of the bracket 97 and of all the elements that said bracket supports.
  • the conveyor designed to carry away the assembled frame comprises a first conveyor 127 (see Figures 1, 2 and 4) which is composed of a plurality of parallel belts 128 which surround two rollers 129, 130 which are supported so that they are rotatable between the longitudinal members 4.
  • the upper portions of the belts 128 form a supporting surface located below the stapling machines which is designed to receive the assembled frame and are actuated in the direction E by a motor 131 which actuates the roller 130 and is mounted on the framework 1.
  • a similar second conveyor 132 is arranged below the first conveyor 127 and is constituted by a plurality of parallel belts 133 which are wound around two rollers 134, 135 so as to form a conveyance surface which is parallel to the plane of the belts 128.
  • the roller 134 is supported on longitudinal members 136 which lie between cross-members 137, 138 arranged above the cross-members 5, while the roller 135 is supported directly on the cross-member 138.
  • the second conveyor 132 on the side of the roller 134, extends beyond the roller 129 of the first conveyor 127.
  • An additional plurality of belts 139 surrounds the roller 134, between the belts 133, and also surrounds a roller 140 which is supported on the cross-member 6 that joins the longitudinal members 4 at a certain distance from the roller 129.
  • the roller 140 lies at a higher level than the conveyance surface of the first conveyor 127 and on a vertical plane which lies further from the roller 134 than the vertical plane that passes through the roller 129. In this manner, the belts 139 are inclined and form an obtuse angle with the belts 133.
  • the roller 134 around which both belts 139 and 133 wind is actuated by a motor 141 (see Figure 1) so that the upper portions of the belts 139, 133 move in the direction F, which is opposite to the direction E.
  • the operation of the described apparatus is as follows. Assume that one is to produce a rectangular frame composed of four strips L1, L2 and L3, L4 whose ends are cut at 45° and in which the two shorter strips are designated by L1 and L2 and the two longer strips are designated by L3 and L4 ( Figures 5 and 6). Assume, furthermore, that the strips are dispensed from respective magazines (not shown) so that two strips, a long one and a short one, are arranged and aligned at each side of the apparatus and at a level which is intermediate between the level of the clamps 48, 49 and 67, 68 and the level of the stapling machines 77-80.
  • Figures 5-7 illustrate this kind of situation, in which a short strip L1, L2 is aligned with a respective long strip L3, L4. It should be noted that a long strip L3, L4 lies opposite a short strip L1, L2, that the ends of the strips that are beveled at 45° face each other, and that the faces that will remain in view are directed upwards.
  • the vertices of the adjacent ends of the aligned strips are equidistant with respect to the vertical plane that passes through the longitudinal centerline of the beam 12, is perpendicular thereto and passes through the rotation axis A of the beam 12.
  • the beam 12 is turned so as to lie at right angles to the strips. Therefore, by actuating the motor 76 with the levers 40, 41 and 58, 59 in the fully open position, the two carriages 28, 29 are moved along the bars 13 until the clamps 48, 49 and 67, 68 lie above the respective strips L1-L4.
  • the cylinders 46, 47 and 63, 64 are actuated and the clamps 48, 49 and 67, 68 are lowered into the position for gripping the strips L1-L4; once this position has been reached, the cylinders 52 are actuated, closing the clamps 48 and 49, and the cylinders 65 and 66 are actuated, closing the clamps 67, 68.
  • the strip L1 forms an L-shaped element S1 with the strip L4, while the strip L2 forms a diagonally symmetrical L-shaped element S2 with the strip L3.
  • the L-shaped elements S1, S2 are orientated so that the strips L3, L4 are parallel to each other and to the direction E of the belts 128.
  • the motor 22 is actuated and, by way of the splined rods 26 and 27 and the gears 37 and 57 which mesh with the racks 36 and 56, moves the sliders 32, 33 at right angles to the beam 12 and in mutually opposite directions unit the ends of the strips of one L-shaped element S1 lie exactly opposite the ends of the other L-shaped element S2 and are equidistant with respect to the longitudinal centerline plane of the beam 12.
  • the motor 76 is actuated so as to move mutually closer the L-shaped elements S1 and S2 until their ends are moved into mutual contact so as to form a frame.
  • the frame is lowered onto the stapling machines 77-80, which are arranged beforehand on the framework so that the corners of the frame, by loosening the clamps 48, 49 and 67, 68, are deposited onto the portions of the tables 102 that are delimited by the locators 111 and in front of them.
  • the motors 118 of the stapling machines are actuated and, by virtue of the engagement of the pinions 119 on the racks 120, move the diagonally opposite stapling machines toward each other.
  • the subsequent approach stroke causes the strips to rest against the locators 111 and moves the tables 102 in contrast with the return action applied by the springs 114.
  • the jacks 107 are actuated, lowering the presser 110 onto the strips and locking them onto the table 102.
  • the pressers 110 are raised and the stapling machines are retracted in order to release the assembled frame, whose corners however continue to rest on the tables 102. Then the motor 124 is actuated and, by means of the belt 121, moves the pair of stapling machines 79, 80 away from the stapling machines 77, 80, so as to allow the frame to fall onto the underlying belts 128 of the conveyor 127 and be conveyed toward the belts 139.
  • the frame Due to the friction applied by the belts 139 to the front strip, the frame is overturned and deposited upside down on the belts 133 of the underlying conveyor 132 and moved away by it for subsequent completion operations, such as applications of a glass plate and a backing panel and of elements for retaining them.
  • the apparatus according to the invention perfectly achieves the intended aim and objects.
  • the movable elements supported on the beam 12 are controlled by a computer which synchronizes their movements in order to optimize the performance of the apparatus.
  • a main prerogative of the apparatus is constituted by the fact that it can be programmed to work even in succession on frames having different dimensions.
  • the rods 142, 143 are engaged in bushes 144, 145 of the ballscrew type which are accommodated in the carriages 28 and 29 so that by actuating the motor assembly in one direction or the other the carriages move in mutually opposite directions.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Automatic Assembly (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Sewing Machines And Sewing (AREA)

Claims (14)

  1. Appareil pour la fabrication de cadres rectangulaires composés de baguettes qui sont assemblées au moyen d'éléments de jonction mutuels qui sont enfoncés dans lesdites baguettes par des agrafeuses (77 à 80) de façon à enjamber les joints formés en couplant lesdites baguettes à angles droits, caractérisé en ce qu'il comprend une poutre horizontale (12) qui est supportée de manière à pouvoir tourner centralement autour d'un axe vertical (A) afin de former deux bras (14, 15) qui sont placés diamétralement par rapport à l'axe vertical, chacun desdits deux bras étant muni de guides de coulissement (13) avec des chariots respectifs (28, 29); deux leviers (40, 41, 58, 59) qui sont articulés sur chacun desdits chariots autour d'axes qui sont parallèles audit axe vertical; un élément de préhension (48, 49, 67, 68) pour une baguette respective desdites baguettes (L1 à L4) qui constituent ledit cadre étant monté sur chacun desdits leviers; des moyens (50a-c; 51a-c; 44, 62; 76, 71; 10) pour actionner lesdits éléments de préhension, lesdits leviers, lesdits chariots et ladite poutre de sorte que, dans une première position de ladite poutre, lesdits éléments de préhension soient placés dans une position pour saisir les baguettes à assembler; que, dans une deuxième position, on fasse tourner lesdits leviers de sorte que les baguettes saisies par les éléments de chaque paire de leviers soient couplées à angles droits; que, dans une troisième position, lesdits chariots soient mutuellement adjacents de façon à former un cadre; et que, dans une quatrième position, les coins dudit cadre soient aménagés sur lesdites agrafeuses.
  2. Appareil selon la revendication 1, caractérisé en ce que chaque chariot (28, 29) a, perpendiculairement à la direction dans laquelle il coulisse, un guide (30, 31) pour un coulisseau (32, 33) pour supporter ladite paire de leviers, des moyens (22 à 27, 36, 37, 56, 57) étant ménagés pour déplacer lesdits coulisseaux (32, 33) dans des sens mutuellement opposés perpendiculairement à la direction de coulissement desdits chariots (28, 29).
  3. Appareil selon la revendication 1, caractérisé en ce que les leviers (40, 41, 58, 59) de chaque paire sont mutuellement raccordés par des secteurs dentés (42, 43, 60, 61) de sorte que les sens de rotation desdits leviers soient mutuellement opposés.
  4. Appareil selon la revendication 1, caractérisé en ce que les vérins respectifs (46, 47) ayant un axe vertical sont ménagés aux extrémités desdits leviers (40, 41, 58, 59), ont des tiges qui s'étendent vers le bas et supportent des vérins qui ont un axe horizontal, des mors de préhension (50, 51) d'une pince qui forme ledit élément de préhension étant couplés de manière rigide auxdites tiges (50a, 51a) et à un cylindre (52) desdits vérins qui ont un axe horizontal.
  5. Appareil selon la revendication 1, caractérisé en ce que lesdits chariots (28, 29) sont couplés de manière rigide aux parties parallèles respectives d'une courroie (71) qui s'enroule autour de poulies de guidage (20, 21) et est actionnée par un moteur réversible (76) qui est monté sur ladite poutre (12) de sorte que lesdits chariots puissent être déplacés dans des sens mutuellement opposés.
  6. Appareil selon la revendication 1, caractérisé en ce que lesdits chariots (28, 29) sont actionnés dans des sens opposés au moyen d'une transmission qui est composée de deux bielles filetées parallèles (142, 143) qui sont actionnées par un ensemble moteur qui est supporté sur ladite poutre, lesdites bielles étant engagées dans des douilles (144, 145) de vis à billes qui sont aménagées dans lesdits chariots de sorte que l'actionnement de l'ensemble moteur dans un sens ou dans l'autre produise un mouvement des chariots dans des sens mutuellement opposés.
  7. Appareil pour la fabrication de cadres rectangulaires, comprenant un appareil selon la revendication 1, comprenant en outre des agrafeuses (77 à 80) qui sont aménagées diagonalement opposées sur un châssis et dans lequel chacune desdites agrafeuses comprend des rails (95) qui peuvent coulisser dans des supports (96) associés de manière rigide avec le châssis et une console (97) qui est couplée de manière rigide auxdits rails pour supporter un cylindre (98) pour actionner un percuteur (99) qui est à même de percuter dans un sens vers le haut des éléments de jonction qui sont transportés par un magasin, une table (102) étant guidée sur lesdits rails (95) à l'encontre de moyens élastiques (114) au-dessus de ladite console, une fente (104) étant formée dans ladite table (102), ladite fente étant parallèle auxdits rails (95) et alignée avec ledit percuteur (99), un poussoir (110) étant guidé verticalement sur ladite console, étant aligné verticalement avec ledit percuteur et étant actionné de manière à bloquer les baguettes à joindre sur ladite table, et en ce que deux éléments de positionnement (111) pour aménager deux baguettes à angles droits sont aménagés sur ladite table (102) sur les côtés de ladite fente (104), des moyens (118, 119) étant ménagés pour actionner ladite console (97) entre une position pour recevoir ladite paire de baguettes sur ladite table (102) et une position de blocage dans laquelle ladite paire de baguettes est bloquée à angles droits contre lesdits éléments de positionnement (111) en raison desdits moyens élastiques (114) qui agissent entre ladite console (97) et ladite table (102).
  8. Appareil selon la revendication 7, caractérisé en ce que lesdits moyens pour actionner ladite console comprennent un moteur (118) qui est couplé au moyen d'une bride sur ledit châssis et a un pignon (119) qui s'engrène sur une crémaillère (120) qui est fixée sur l'un desdits rails (95).
  9. Appareil selon la revendication 8, caractérisé en ce qu'un élément élastique (112) est aménagé diagonalement selon un angle formé par lesdits éléments de positionnement, est couplé de manière rigide à ladite table (102) et est à même de produire l'accouplement des coins de la paire de baguettes disposées sur ladite table en face desdits éléments de positionnement (111) au cours du mouvement de ladite console (97) dans ladite position de blocage.
  10. Appareil selon la revendication 9, caractérisé en ce qu'un premier convoyeur (127) à courroie est aménagé en dessous desdites agrafeuses (77 à 80) et est à même de recevoir les cadres lorsque les consoles opposées diagonalement sont espacées mutuellement l'une de l'autre pour gagner une position dans laquelle les coins des cadres quittent ladite table (102).
  11. Appareil selon la revendication 10, caractérisé en ce qu'une unité de retournement de cadre est aménagée à une extrémité de sortie dudit premier convoyeur à courroie (127) et est composé d'une pluralité de courroies (139) qui sont à même de détourner les cadres arrivant du premier convoyeur à courroie (127) vers un second convoyeur sous-jacent (132) qui est actionné dans un sens opposé par rapport audit premier convoyeur à courroie.
  12. Appareil selon la revendication 10, caractérisé en ce que lesdites agrafeuses (77 à 80) peuvent coulisser par paires sur deux rails respectifs (85, 86) et sont raccordées par paires, des moyens (122 à 125) étant également aménagés pour l'actionnement d'une paire d'agrafeuses (77, 78) par rapport à l'autre paire (79, 80) le long desdits rails (85, 86) afin d'espacer ladite paire d'agrafeuses d'une autre paire et de libérer le cadre assemblé sur ledit premier convoyeur à courroie (127).
  13. Appareil selon la revendication 7, caractérisé en ce que les éléments de préhension (48, 49, 67, 68) ajustés sur chaque chariot (28, 29) sont à même de saisir une paire respective de baguettes alignées.
  14. Appareil pour la fabrication de cadres rectangulaires, comprenant un appareil selon la revendication 2, comprenant en outre des agrafeuses (77 à 80), dans lequel les moyens moteurs desdits chariots (28, 29), desdits coulisseaux (32, 33) et desdites agrafeuses (77 à 80) sont réglés par un ordinateur électronique qui adapte l'appareil à la taille du cadre.
EP00107060A 1999-05-26 2000-04-04 Dispositif pour la fabrication de cadres rectangulaires Expired - Lifetime EP1055482B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO990289 1999-05-26
IT1999BO000289A IT1309268B1 (it) 1999-05-26 1999-05-26 Apparecchiatura per la realizzazione di cornici rettangolari

Publications (3)

Publication Number Publication Date
EP1055482A2 EP1055482A2 (fr) 2000-11-29
EP1055482A3 EP1055482A3 (fr) 2002-01-09
EP1055482B1 true EP1055482B1 (fr) 2004-07-28

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EP00107060A Expired - Lifetime EP1055482B1 (fr) 1999-05-26 2000-04-04 Dispositif pour la fabrication de cadres rectangulaires

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US (1) US6164512A (fr)
EP (1) EP1055482B1 (fr)
AT (1) ATE271953T1 (fr)
DE (1) DE60012421D1 (fr)
ES (1) ES2224948T3 (fr)
IT (1) IT1309268B1 (fr)

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IT1319867B1 (it) * 2000-05-11 2003-11-03 Giuseppe Raffoni Sistema automatizzato e mezzi per l'alimentazione dei listelli nelleapparecchiature che realizzano cornici rettangolari.
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ITMI20020942A1 (it) * 2002-05-03 2003-11-03 Storti Spa Macchina di chiodatura
US20040055253A1 (en) * 2002-09-19 2004-03-25 Parcels Joseph S. Corner protector attachment method and apparatus for frames having non-rectangular cross-section moldings
WO2004089166A2 (fr) * 2003-03-31 2004-10-21 The Fletcher-Terry Company Appareil servant a mettre en place des elements de suspension de materiel d'encadrement
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US20040187425A1 (en) * 2003-03-31 2004-09-30 Kozyrski Vincent T. Apparatus for installing framing material hangers
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ITFI20050039A1 (it) * 2005-03-11 2006-09-12 Atla Coop S C R L Metodo e dispositivo per l'alimentazione automatica di macchine cianfrinatrici
FR2951975B1 (fr) * 2009-11-02 2012-01-20 Claude Chantin Sa Const Metalliques Machine pour assembler un panneau a ossature, en particulier une ossature bois.
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CN111376194B (zh) * 2020-04-27 2021-04-13 六安市龙兴汽车零部件有限公司 一种用于生产加速箱的多组夹紧机构及其使用方法
CN113245838A (zh) * 2021-06-22 2021-08-13 济南西格玛数控设备有限公司 一种铝合金门窗组角生产线
CN113664778A (zh) * 2021-08-14 2021-11-19 扬州腾诺建筑节能科技发展有限责任公司 一种门窗加工用型材拼装成型支撑设备
CN116900752B (zh) * 2023-09-14 2023-11-17 烟台美丰机械集团有限公司 汽车刹车盘精车用夹持装置
CN118163195B (zh) * 2024-05-11 2024-07-05 南通世睿电力科技有限公司 一种用于防火板生产的复合加工设备

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Also Published As

Publication number Publication date
EP1055482A2 (fr) 2000-11-29
ITBO990289A0 (it) 1999-05-26
ES2224948T3 (es) 2005-03-16
DE60012421D1 (de) 2004-09-02
IT1309268B1 (it) 2002-01-16
ITBO990289A1 (it) 2000-11-26
US6164512A (en) 2000-12-26
ATE271953T1 (de) 2004-08-15
EP1055482A3 (fr) 2002-01-09

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